Fri, 29 Apr 2016 00:06:10 +0800
Added MIPS 64-bit port.
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2002, 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "ci/ciMethod.hpp" |
aoqi@0 | 27 | #include "compiler/compileLog.hpp" |
aoqi@0 | 28 | #include "memory/allocation.inline.hpp" |
aoqi@0 | 29 | #include "oops/method.hpp" |
aoqi@0 | 30 | #include "runtime/mutexLocker.hpp" |
aoqi@0 | 31 | #include "runtime/os.hpp" |
aoqi@0 | 32 | |
aoqi@0 | 33 | CompileLog* CompileLog::_first = NULL; |
aoqi@0 | 34 | |
aoqi@0 | 35 | // ------------------------------------------------------------------ |
aoqi@0 | 36 | // CompileLog::CompileLog |
aoqi@0 | 37 | CompileLog::CompileLog(const char* file_name, FILE* fp, intx thread_id) |
aoqi@0 | 38 | : _context(_context_buffer, sizeof(_context_buffer)) |
aoqi@0 | 39 | { |
aoqi@0 | 40 | initialize(new(ResourceObj::C_HEAP, mtCompiler) fileStream(fp, true)); |
aoqi@0 | 41 | _file_end = 0; |
aoqi@0 | 42 | _thread_id = thread_id; |
aoqi@0 | 43 | |
aoqi@0 | 44 | _identities_limit = 0; |
aoqi@0 | 45 | _identities_capacity = 400; |
aoqi@0 | 46 | _identities = NEW_C_HEAP_ARRAY(char, _identities_capacity, mtCompiler); |
aoqi@0 | 47 | _file = NEW_C_HEAP_ARRAY(char, strlen(file_name)+1, mtCompiler); |
aoqi@0 | 48 | strcpy((char*)_file, file_name); |
aoqi@0 | 49 | |
aoqi@0 | 50 | // link into the global list |
aoqi@0 | 51 | { MutexLocker locker(CompileTaskAlloc_lock); |
aoqi@0 | 52 | _next = _first; |
aoqi@0 | 53 | _first = this; |
aoqi@0 | 54 | } |
aoqi@0 | 55 | } |
aoqi@0 | 56 | |
aoqi@0 | 57 | CompileLog::~CompileLog() { |
aoqi@0 | 58 | delete _out; |
aoqi@0 | 59 | _out = NULL; |
aoqi@0 | 60 | FREE_C_HEAP_ARRAY(char, _identities, mtCompiler); |
aoqi@0 | 61 | FREE_C_HEAP_ARRAY(char, _file, mtCompiler); |
aoqi@0 | 62 | } |
aoqi@0 | 63 | |
aoqi@0 | 64 | |
aoqi@0 | 65 | // see_tag, pop_tag: Override the default do-nothing methods on xmlStream. |
aoqi@0 | 66 | // These methods provide a hook for managing the the extra context markup. |
aoqi@0 | 67 | void CompileLog::see_tag(const char* tag, bool push) { |
aoqi@0 | 68 | if (_context.size() > 0 && _out != NULL) { |
aoqi@0 | 69 | _out->write(_context.base(), _context.size()); |
aoqi@0 | 70 | _context.reset(); |
aoqi@0 | 71 | } |
aoqi@0 | 72 | xmlStream::see_tag(tag, push); |
aoqi@0 | 73 | } |
aoqi@0 | 74 | void CompileLog::pop_tag(const char* tag) { |
aoqi@0 | 75 | _context.reset(); // toss any context info. |
aoqi@0 | 76 | xmlStream::pop_tag(tag); |
aoqi@0 | 77 | } |
aoqi@0 | 78 | |
aoqi@0 | 79 | |
aoqi@0 | 80 | // ------------------------------------------------------------------ |
aoqi@0 | 81 | // CompileLog::identify |
aoqi@0 | 82 | int CompileLog::identify(ciBaseObject* obj) { |
aoqi@0 | 83 | if (obj == NULL) return 0; |
aoqi@0 | 84 | int id = obj->ident(); |
aoqi@0 | 85 | if (id < 0) return id; |
aoqi@0 | 86 | // If it has already been identified, just return the id. |
aoqi@0 | 87 | if (id < _identities_limit && _identities[id] != 0) return id; |
aoqi@0 | 88 | // Lengthen the array, if necessary. |
aoqi@0 | 89 | if (id >= _identities_capacity) { |
aoqi@0 | 90 | int new_cap = _identities_capacity * 2; |
aoqi@0 | 91 | if (new_cap <= id) new_cap = id + 100; |
aoqi@0 | 92 | _identities = REALLOC_C_HEAP_ARRAY(char, _identities, new_cap, mtCompiler); |
aoqi@0 | 93 | _identities_capacity = new_cap; |
aoqi@0 | 94 | } |
aoqi@0 | 95 | while (id >= _identities_limit) { |
aoqi@0 | 96 | _identities[_identities_limit++] = 0; |
aoqi@0 | 97 | } |
aoqi@0 | 98 | assert(id < _identities_limit, "oob"); |
aoqi@0 | 99 | // Mark this id as processed. |
aoqi@0 | 100 | // (Be sure to do this before any recursive calls to identify.) |
aoqi@0 | 101 | _identities[id] = 1; // mark |
aoqi@0 | 102 | |
aoqi@0 | 103 | // Now, print the object's identity once, in detail. |
aoqi@0 | 104 | if (obj->is_metadata()) { |
aoqi@0 | 105 | ciMetadata* mobj = obj->as_metadata(); |
aoqi@0 | 106 | if (mobj->is_klass()) { |
aoqi@0 | 107 | ciKlass* klass = mobj->as_klass(); |
aoqi@0 | 108 | begin_elem("klass id='%d'", id); |
aoqi@0 | 109 | name(klass->name()); |
aoqi@0 | 110 | if (!klass->is_loaded()) { |
aoqi@0 | 111 | print(" unloaded='1'"); |
aoqi@0 | 112 | } else { |
aoqi@0 | 113 | print(" flags='%d'", klass->modifier_flags()); |
aoqi@0 | 114 | } |
aoqi@0 | 115 | end_elem(); |
aoqi@0 | 116 | } else if (mobj->is_method()) { |
aoqi@0 | 117 | ciMethod* method = mobj->as_method(); |
aoqi@0 | 118 | ciSignature* sig = method->signature(); |
aoqi@0 | 119 | // Pre-identify items that we will need! |
aoqi@0 | 120 | identify(sig->return_type()); |
aoqi@0 | 121 | for (int i = 0; i < sig->count(); i++) { |
aoqi@0 | 122 | identify(sig->type_at(i)); |
aoqi@0 | 123 | } |
aoqi@0 | 124 | begin_elem("method id='%d' holder='%d'", |
aoqi@0 | 125 | id, identify(method->holder())); |
aoqi@0 | 126 | name(method->name()); |
aoqi@0 | 127 | print(" return='%d'", identify(sig->return_type())); |
aoqi@0 | 128 | if (sig->count() > 0) { |
aoqi@0 | 129 | print(" arguments='"); |
aoqi@0 | 130 | for (int i = 0; i < sig->count(); i++) { |
aoqi@0 | 131 | print((i == 0) ? "%d" : " %d", identify(sig->type_at(i))); |
aoqi@0 | 132 | } |
aoqi@0 | 133 | print("'"); |
aoqi@0 | 134 | } |
aoqi@0 | 135 | if (!method->is_loaded()) { |
aoqi@0 | 136 | print(" unloaded='1'"); |
aoqi@0 | 137 | } else { |
aoqi@0 | 138 | print(" flags='%d'", (jchar) method->flags().as_int()); |
aoqi@0 | 139 | // output a few metrics |
aoqi@0 | 140 | print(" bytes='%d'", method->code_size()); |
aoqi@0 | 141 | method->log_nmethod_identity(this); |
aoqi@0 | 142 | //print(" count='%d'", method->invocation_count()); |
aoqi@0 | 143 | //int bec = method->backedge_count(); |
aoqi@0 | 144 | //if (bec != 0) print(" backedge_count='%d'", bec); |
aoqi@0 | 145 | print(" iicount='%d'", method->interpreter_invocation_count()); |
aoqi@0 | 146 | } |
aoqi@0 | 147 | end_elem(); |
aoqi@0 | 148 | } else if (mobj->is_type()) { |
aoqi@0 | 149 | BasicType type = mobj->as_type()->basic_type(); |
aoqi@0 | 150 | elem("type id='%d' name='%s'", id, type2name(type)); |
aoqi@0 | 151 | } else { |
aoqi@0 | 152 | // Should not happen. |
aoqi@0 | 153 | elem("unknown id='%d'", id); |
aoqi@0 | 154 | ShouldNotReachHere(); |
aoqi@0 | 155 | } |
aoqi@0 | 156 | } else if (obj->is_symbol()) { |
aoqi@0 | 157 | begin_elem("symbol id='%d'", id); |
aoqi@0 | 158 | name(obj->as_symbol()); |
aoqi@0 | 159 | end_elem(); |
aoqi@0 | 160 | } else { |
aoqi@0 | 161 | // Should not happen. |
aoqi@0 | 162 | elem("unknown id='%d'", id); |
aoqi@0 | 163 | } |
aoqi@0 | 164 | return id; |
aoqi@0 | 165 | } |
aoqi@0 | 166 | |
aoqi@0 | 167 | void CompileLog::name(ciSymbol* name) { |
aoqi@0 | 168 | if (name == NULL) return; |
aoqi@0 | 169 | print(" name='"); |
aoqi@0 | 170 | name->print_symbol_on(text()); // handles quoting conventions |
aoqi@0 | 171 | print("'"); |
aoqi@0 | 172 | } |
aoqi@0 | 173 | |
aoqi@0 | 174 | |
aoqi@0 | 175 | // ------------------------------------------------------------------ |
aoqi@0 | 176 | // CompileLog::clear_identities |
aoqi@0 | 177 | // Forget which identities have been printed. |
aoqi@0 | 178 | void CompileLog::clear_identities() { |
aoqi@0 | 179 | _identities_limit = 0; |
aoqi@0 | 180 | } |
aoqi@0 | 181 | |
aoqi@0 | 182 | // ------------------------------------------------------------------ |
aoqi@0 | 183 | // CompileLog::finish_log_on_error |
aoqi@0 | 184 | // |
aoqi@0 | 185 | // Note: This function is called after fatal error, avoid unnecessary memory |
aoqi@0 | 186 | // or stack allocation, use only async-safe functions. It's possible JVM is |
aoqi@0 | 187 | // only partially initialized. |
aoqi@0 | 188 | void CompileLog::finish_log_on_error(outputStream* file, char* buf, int buflen) { |
aoqi@0 | 189 | static bool called_exit = false; |
aoqi@0 | 190 | if (called_exit) return; |
aoqi@0 | 191 | called_exit = true; |
aoqi@0 | 192 | |
aoqi@0 | 193 | CompileLog* log = _first; |
aoqi@0 | 194 | while (log != NULL) { |
aoqi@0 | 195 | log->flush(); |
aoqi@0 | 196 | const char* partial_file = log->file(); |
aoqi@0 | 197 | int partial_fd = open(partial_file, O_RDONLY); |
aoqi@0 | 198 | if (partial_fd != -1) { |
aoqi@0 | 199 | // print/print_cr may need to allocate large stack buffer to format |
aoqi@0 | 200 | // strings, here we use snprintf() and print_raw() instead. |
aoqi@0 | 201 | file->print_raw("<compilation_log thread='"); |
aoqi@0 | 202 | jio_snprintf(buf, buflen, UINTX_FORMAT, log->thread_id()); |
aoqi@0 | 203 | file->print_raw(buf); |
aoqi@0 | 204 | file->print_raw_cr("'>"); |
aoqi@0 | 205 | |
aoqi@0 | 206 | size_t nr; // number read into buf from partial log |
aoqi@0 | 207 | // Copy data up to the end of the last <event> element: |
aoqi@0 | 208 | julong to_read = log->_file_end; |
aoqi@0 | 209 | while (to_read > 0) { |
aoqi@0 | 210 | if (to_read < (julong)buflen) |
aoqi@0 | 211 | nr = (size_t)to_read; |
aoqi@0 | 212 | else nr = buflen; |
aoqi@0 | 213 | nr = read(partial_fd, buf, (int)nr); |
aoqi@0 | 214 | if (nr <= 0) break; |
aoqi@0 | 215 | to_read -= (julong)nr; |
aoqi@0 | 216 | file->write(buf, nr); |
aoqi@0 | 217 | } |
aoqi@0 | 218 | |
aoqi@0 | 219 | // Copy any remaining data inside a quote: |
aoqi@0 | 220 | bool saw_slop = false; |
aoqi@0 | 221 | int end_cdata = 0; // state machine [0..2] watching for too many "]]" |
aoqi@0 | 222 | while ((nr = read(partial_fd, buf, buflen)) > 0) { |
aoqi@0 | 223 | if (!saw_slop) { |
aoqi@0 | 224 | file->print_raw_cr("<fragment>"); |
aoqi@0 | 225 | file->print_raw_cr("<![CDATA["); |
aoqi@0 | 226 | saw_slop = true; |
aoqi@0 | 227 | } |
aoqi@0 | 228 | // The rest of this loop amounts to a simple copy operation: |
aoqi@0 | 229 | // { file->write(buf, nr); } |
aoqi@0 | 230 | // However, it must sometimes output the buffer in parts, |
aoqi@0 | 231 | // in case there is a CDATA quote embedded in the fragment. |
aoqi@0 | 232 | const char* bufp; // pointer into buf |
aoqi@0 | 233 | size_t nw; // number written in each pass of the following loop: |
aoqi@0 | 234 | for (bufp = buf; nr > 0; nr -= nw, bufp += nw) { |
aoqi@0 | 235 | // Write up to any problematic CDATA delimiter (usually all of nr). |
aoqi@0 | 236 | for (nw = 0; nw < nr; nw++) { |
aoqi@0 | 237 | // First, scan ahead into the buf, checking the state machine. |
aoqi@0 | 238 | switch (bufp[nw]) { |
aoqi@0 | 239 | case ']': |
aoqi@0 | 240 | if (end_cdata < 2) end_cdata += 1; // saturating counter |
aoqi@0 | 241 | continue; // keep scanning |
aoqi@0 | 242 | case '>': |
aoqi@0 | 243 | if (end_cdata == 2) break; // found CDATA delimiter! |
aoqi@0 | 244 | // else fall through: |
aoqi@0 | 245 | default: |
aoqi@0 | 246 | end_cdata = 0; |
aoqi@0 | 247 | continue; // keep scanning |
aoqi@0 | 248 | } |
aoqi@0 | 249 | // If we get here, nw is pointing at a bad '>'. |
aoqi@0 | 250 | // It is very rare for this to happen. |
aoqi@0 | 251 | // However, this code has been tested by introducing |
aoqi@0 | 252 | // CDATA sequences into the compilation log. |
aoqi@0 | 253 | break; |
aoqi@0 | 254 | } |
aoqi@0 | 255 | // Now nw is the number of characters to write, usually == nr. |
aoqi@0 | 256 | file->write(bufp, nw); |
aoqi@0 | 257 | if (nw < nr) { |
aoqi@0 | 258 | // We are about to go around the loop again. |
aoqi@0 | 259 | // But first, disrupt the ]]> by closing and reopening the quote. |
aoqi@0 | 260 | file->print_raw("]]><![CDATA["); |
aoqi@0 | 261 | end_cdata = 0; // reset state machine |
aoqi@0 | 262 | } |
aoqi@0 | 263 | } |
aoqi@0 | 264 | } |
aoqi@0 | 265 | if (saw_slop) { |
aoqi@0 | 266 | file->print_raw_cr("]]>"); |
aoqi@0 | 267 | file->print_raw_cr("</fragment>"); |
aoqi@0 | 268 | } |
aoqi@0 | 269 | file->print_raw_cr("</compilation_log>"); |
aoqi@0 | 270 | close(partial_fd); |
aoqi@0 | 271 | unlink(partial_file); |
aoqi@0 | 272 | } |
aoqi@0 | 273 | CompileLog* next_log = log->_next; |
aoqi@0 | 274 | delete log; |
aoqi@0 | 275 | log = next_log; |
aoqi@0 | 276 | } |
aoqi@0 | 277 | _first = NULL; |
aoqi@0 | 278 | } |
aoqi@0 | 279 | |
aoqi@0 | 280 | // ------------------------------------------------------------------ |
aoqi@0 | 281 | // CompileLog::finish_log |
aoqi@0 | 282 | // |
aoqi@0 | 283 | // Called during normal shutdown. For now, any clean-up needed in normal |
aoqi@0 | 284 | // shutdown is also needed in VM abort, so is covered by finish_log_on_error(). |
aoqi@0 | 285 | // Just allocate a buffer and call finish_log_on_error(). |
aoqi@0 | 286 | void CompileLog::finish_log(outputStream* file) { |
aoqi@0 | 287 | char buf[4 * K]; |
aoqi@0 | 288 | finish_log_on_error(file, buf, sizeof(buf)); |
aoqi@0 | 289 | } |
aoqi@0 | 290 | |
aoqi@0 | 291 | // ------------------------------------------------------------------ |
aoqi@0 | 292 | // CompileLog::inline_success |
aoqi@0 | 293 | // |
aoqi@0 | 294 | // Print about successful method inlining. |
aoqi@0 | 295 | void CompileLog::inline_success(const char* reason) { |
aoqi@0 | 296 | begin_elem("inline_success reason='"); |
aoqi@0 | 297 | text("%s", reason); |
aoqi@0 | 298 | end_elem("'"); |
aoqi@0 | 299 | } |
aoqi@0 | 300 | |
aoqi@0 | 301 | // ------------------------------------------------------------------ |
aoqi@0 | 302 | // CompileLog::inline_fail |
aoqi@0 | 303 | // |
aoqi@0 | 304 | // Print about failed method inlining. |
aoqi@0 | 305 | void CompileLog::inline_fail(const char* reason) { |
aoqi@0 | 306 | begin_elem("inline_fail reason='"); |
aoqi@0 | 307 | text("%s", reason); |
aoqi@0 | 308 | end_elem("'"); |
aoqi@0 | 309 | } |
aoqi@0 | 310 | |
aoqi@0 | 311 | // ------------------------------------------------------------------ |
aoqi@0 | 312 | // CompileLog::set_context |
aoqi@0 | 313 | // |
aoqi@0 | 314 | // Set XML tag as an optional marker - it is printed only if |
aoqi@0 | 315 | // there are other entries after until it is reset. |
aoqi@0 | 316 | void CompileLog::set_context(const char* format, ...) { |
aoqi@0 | 317 | va_list ap; |
aoqi@0 | 318 | va_start(ap, format); |
aoqi@0 | 319 | clear_context(); |
aoqi@0 | 320 | _context.print("<"); |
aoqi@0 | 321 | _context.vprint(format, ap); |
aoqi@0 | 322 | _context.print_cr("/>"); |
aoqi@0 | 323 | va_end(ap); |
aoqi@0 | 324 | } |
aoqi@0 | 325 | |
aoqi@0 | 326 | // ------------------------------------------------------------------ |
aoqi@0 | 327 | // CompileLog::code_cache_state |
aoqi@0 | 328 | // |
aoqi@0 | 329 | // Print code cache state. |
aoqi@0 | 330 | void CompileLog::code_cache_state() { |
aoqi@0 | 331 | begin_elem("code_cache"); |
aoqi@0 | 332 | CodeCache::log_state(this); |
aoqi@0 | 333 | end_elem("%s", ""); |
aoqi@0 | 334 | } |